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Shareholders' Equity - 2012 Long-Term Incentive Plan (Details) - USD ($)
9 Months Ended
Jan. 01, 2021
Sep. 30, 2022
Sep. 30, 2021
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]      
Number of restricted stock shares vested   9,652  
Stock-based compensation expense related to the restrictive share awards   $ 126,000 $ 75,000
Non-employee directors      
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]      
Number of restricted stock issued   18,375  
Compensation expense not yet recognized   $ 203,000  
2012 Long Term Incentive Plan      
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]      
Number of restricted stock shares vested 25,250    
Shares withheld to satisfy the tax obligations 9,920    
Value of shares withheld and repurchased $ 81,000